Mic Test Extension is a simple and free Chrome extension that helps you quickly test your microphone and audio input directly in your browser. Instantly test your microphone online. Check sound input, volume levels, and mic functionality in your browser. What it does Test your microphone instantly Works in-browser, no downloads Real-time audio input visualization Why users trust it No audio is recorded or stored Runs entirely in your browser Free and privacy-focused Who it’s for Meetings & interviews Streamers & podcasters Students & remote workers